A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts for spark-ignition internal combustion piston engines, nesoi
NSN 5910-01-376-4607
NSN 6130-00-934-1627
NSN 5950-01-523-3591
NSN 6240-01-445-4232
NSN 5960-00-252-6274
NSN 2925-01-315-1714
NSN 5920-01-134-5445
NSN 6650-01-129-8343
NSN 5965-01-250-3214
NSN 6145-01-544-4852
NSN 5835-00-811-4554
NSN 4140-00-252-7734